# Numerical Noise in Impulse Response Functions

**URL:** <https://forum.dynare.org/t/numerical-noise-in-impulse-response-functions/26775>\
**Category:** Stochastic simulations\
**Created:** [20 November 2024 10:03 UTC](https://forum.dynare.org/t/numerical-noise-in-impulse-response-functions/26775 "2024-11-20T10:03:37Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![jpfeifer](https://forum.dynare.org/user_avatar/forum.dynare.org/jpfeifer/32/5044_2.png) [@jpfeifer](https://forum.dynare.org/u/jpfeifer)\
**Post date:** [20 November 2024 12:28 UTC](https://forum.dynare.org/t/numerical-noise-in-impulse-response-functions/26775/2 "2024-11-20T12:28:19Z")

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See

> [@Issues with the IRFs](https://forum.dynare.org/t/issues-with-the-irfs/19333/6):
>
> Have a look at the size of the response. If you set there will often be wiggles due to numerical error as the IRFs are not exactly 0 but so small any wiggles are meaningless.

That is something that needs no addressing.

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